Fix the Ruboop errors.

Author: James McCarthy

lib/grape_entity/exposure/base.rb

@@ -42,7 +42,7 @@ def nesting?
         end
 
         # if we have any nesting exposures with the same name.
-        def deep_complex_nesting?(entity)
+        def deep_complex_nesting?(entity) # rubocop:disable Lint/UnusedMethodArgument
           false
         end
 
@@ -103,7 +103,7 @@ def attr_path(entity, options)
           end
         end
 
-        def key(entity=nil)
+        def key(entity = nil)
           @key.respond_to?(:call) ? @key.call(entity).try(:to_sym) : @key
         end
 

lib/grape_entity/exposure/nesting_exposure.rb

@@ -111,7 +111,9 @@ def normalized_exposures(entity, options)
               end
               new_nested_exposures = nesting_tail.flat_map(&:nested_exposures)
               NestingExposure.new(key, {}, [], new_nested_exposures).tap do |new_exposure|
-                new_exposure.instance_variable_set(:@deep_complex_nesting, true) if nesting_tail.any? { |exposure| exposure.deep_complex_nesting?(entity) }
+                if nesting_tail.any? { |exposure| exposure.deep_complex_nesting?(entity) }
+                  new_exposure.instance_variable_set(:@deep_complex_nesting, true)
+                end
               end
             else
               last_exposure

lib/grape_entity/exposure/nesting_exposure/nested_exposures.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Grape
   class Entity
     module Exposure
@@ -56,8 +58,8 @@ def deep_complex_nesting?(entity)
               all_nesting = select(&:nesting?)
               @deep_complex_nesting =
                 all_nesting
-                  .group_by { |exposure| exposure.key(entity) }
-                  .any? { |_key, exposures| exposures.length > 1 }
+                .group_by { |exposure| exposure.key(entity) }
+                .any? { |_key, exposures| exposures.length > 1 }
             else
               @deep_complex_nesting
             end